CVE-2024-42638

Name: CVE-2024-42638
Creator: NVD / NIST
Published: 2024-08-16T18:15:09.81+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2024-42638 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. H3C Magic B1ST v100R012 was discovered to contain a hardcoded password vulnerability in /etc/shadow, which allows attackers to log in as root.. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

H3C Magic B1ST v100R012 was discovered to contain a hardcoded password vulnerability in /etc/shadow, which allows attackers to log in as root.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.56%

42.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
H3c	Magic B1st Firmware	100r012

References

https://palm-vertebra-fe9.notion.site/H3C-Magic-B1STV100R012-was-discovered-to-contain-a-hardcoded-2a648569ee7f4df8b570632d11032337?pvs=74Exploit, Third Party Advisory
https://www.h3c.com/cn/d_201609/956059_30005_0.htmProduct

Timeline

Published: Aug 16, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-42638?

H3C Magic B1ST v100R012 was discovered to contain a hardcoded password vulnerability in /etc/shadow, which allows attackers to log in as root.

How severe is CVE-2024-42638?

CVE-2024-42638 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2024-42638?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-42638?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST